3a-4(2a-5)=7a+1

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Solution for 3a-4(2a-5)=7a+1 equation:


Simplifying
3a + -4(2a + -5) = 7a + 1

Reorder the terms:
3a + -4(-5 + 2a) = 7a + 1
3a + (-5 * -4 + 2a * -4) = 7a + 1
3a + (20 + -8a) = 7a + 1

Reorder the terms:
20 + 3a + -8a = 7a + 1

Combine like terms: 3a + -8a = -5a
20 + -5a = 7a + 1

Reorder the terms:
20 + -5a = 1 + 7a

Solving
20 + -5a = 1 + 7a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-7a' to each side of the equation.
20 + -5a + -7a = 1 + 7a + -7a

Combine like terms: -5a + -7a = -12a
20 + -12a = 1 + 7a + -7a

Combine like terms: 7a + -7a = 0
20 + -12a = 1 + 0
20 + -12a = 1

Add '-20' to each side of the equation.
20 + -20 + -12a = 1 + -20

Combine like terms: 20 + -20 = 0
0 + -12a = 1 + -20
-12a = 1 + -20

Combine like terms: 1 + -20 = -19
-12a = -19

Divide each side by '-12'.
a = 1.583333333

Simplifying
a = 1.583333333

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